Home / 121,537.60-167,773.04-73,806.32

Finding the Fourth Proportional to 121,537.60, 167,773.04 and 73,806.32

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Solution

The fourth proportional to 121,537.60, 167,773.04 and 73,806.32 is: 101,883.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,537.60 : 167,773.04 = 73,806.32 : x
  2. Step 2: Convert to fraction form
    121,537.60/167,773.04 = 73,806.32/x
  3. Step 3: Cross multiply
    121,537.60x = 167,773.04 × 73,806.32
  4. Step 4: Simplify right side
    121,537.60x = 12,382,710,677.61
  5. Step 5: Solve for x
    x = 12,382,710,677.61/121,537.60
  6. Step 6: Final answer
    x = 101,883.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.